Home / 78,662.30-118,096.35-46,699.72

Finding the Fourth Proportional to 78,662.30, 118,096.35 and 46,699.72

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Solution

The fourth proportional to 78,662.30, 118,096.35 and 46,699.72 is: 70,110.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,662.30 : 118,096.35 = 46,699.72 : x
  2. Step 2: Convert to fraction form
    78,662.30/118,096.35 = 46,699.72/x
  3. Step 3: Cross multiply
    78,662.30x = 118,096.35 × 46,699.72
  4. Step 4: Simplify right side
    78,662.30x = 5,515,066,007.66
  5. Step 5: Solve for x
    x = 5,515,066,007.66/78,662.30
  6. Step 6: Final answer
    x = 70,110.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.